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Conoscopic figure : a complex consequence of a not so simple phenomenon

Maja Pečar and Mojca Čepič (2015) Conoscopic figure : a complex consequence of a not so simple phenomenon. European journal of physics, 36 (1). p. 22. ISSN 0143-0807

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    Observation of conoscopic figures through a special microscope is widely used as an experimental method for determination of optical properties of anisotropic materials. The conoscopic figure appears when a divergent light passes through an anisotropic material sandwiched between crossed polarizers. The complex pattern of bright and dark areas appears due to different polarization states of light. The pattern gives information about optical axes and birefringence of the material and allows for deduction of microscopic structures at the origin of such properties. Due to the complexity of the figure, the method is often used following recipes. This contribution presents a series of experiments that provide students with experiences needed for construction and comprehension of optical phenomena that contribute to the complexity of the conoscopic figure.

    Item Type: Article
    Keywords: fizika, conoscopy, polarization states, education, simple experiments
    Related URLs:
    URLURL Type
    http://cobiss5.izum.si/scripts/cobiss?command=DISPLAY&base=50126&rid=10386761&fmt=11&lani=siAlternative location
    Institution: University of Ljubljana
    Department: Faculty of Education
    Divisions: Department of Physics and Technical Studies > Chair of Physics and the Didactics of Physics
    Department of Primary School Teaching > Chair of Natural Sciences
    Item ID: 2666
    Date Deposited: 12 Jan 2015 11:43
    Last Modified: 12 Jan 2015 11:43
    URI: http://pefprints.pef.uni-lj.si/id/eprint/2666

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